From e1b36e70163b32cda849ac0ddb47136f05c8de67 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=B1=B1=E5=B2=9A?=
 <36239017+YuJuncen@users.noreply.github.com>
Date: Wed, 24 Nov 2021 18:37:51 +0800
Subject: [PATCH] [cherry-pick] backup: more detailed TiKV error
 message(tidb#27567) (#1444)